Answer:
A single gene on the Y chromosome plays a crucial role in the parental development of the testes.
Explanation:
Y chromosome is present only in males and this chromosomes is the distinguishing factor which separates males from females. It is the smallest chromosome but of utmost importance due to its sex determining feature. Up till now, studies show that Y chromosomes only carry limited amount of genes.
The Y chromosome, most importantly, comprises of the SRY gene. This is the gene responsible for determining the testis and for the development of the testis. The SRY gene is responsible for sex determination.
Answer:
D. autrofos es tu respuesta
True
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<span>The behavior that is not a result of seasonal changes is : C. circadian rhythm
Cicadian rhythm refer to the Physiological cycle that's experienced by living organisms within a day, This cycle is not a reasolg of seasonal change because the factor that influence it the most is time period within 24hours, and the time process usually the same no matter what season they are in</span>
Answer: 3 mph
Explanation: The formula for calculating speed is distance divided by time.
6 divided by 2 is equal to 3, meaning he is traveling 3 miles every hour that passes.
